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Boudjemia, N., Jänkälä, K., Püttner, R., Gejo, T., Journel, L., Kohmura, Y., Huttula, M., Piancastelli, M., Simon, M., Oura, M. (2020) Deep-core photoionization of krypton atoms below and above the 1s ionization threshold. Phys. Rev. A 101(5), 053405, https://doi.org/10.1103/PhysRevA.101.053405

Deep-core photoionization of krypton atoms below and above the 1s ionization threshold

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Author: Boudjemia, N.1; Jänkälä, K.1; Püttner, R.2;
Organizations: 1Nano and Molecular Systems Research Unit, University of Oulu, P.O. Box 3000, 90014 Oulu, Finland
2Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
3RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
4Graduate School of Materials Science, University of Hyogo, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
5Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France
6Department of Physics and Astronomy, Uppsala University, SE-75120 Uppsala, Sweden
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 0.8 MB)
Persistent link: http://urn.fi/urn:nbn:fi-fe2020052839563
Language: English
Published: American Physical Society, 2020
Publish Date: 2020-05-28
Description:

Abstract

Electronic relaxation of atomic Kr below and above the 1s ionization threshold is investigated experimentally using hard x-ray photoelectron spectroscopy. The experimental results are interpreted with the aid of relativistic Dirac-Fock calculations. The 1s orbital core-hole lifetime is extracted and the satellite’s structures accompanying the photoelectron main line are assigned. Auger spectra recorded below and above the K edge are also investigated. In particular, the Auger cascade originating from vacancies of different origin in the L shell is analyzed in great detail. Competition between radiative KL versus nonradiative KLL Auger emission is emphasized.

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Series: Physical review. A
ISSN: 2469-9926
ISSN-E: 2469-9934
ISSN-L: 2469-9926
Volume: 101
Issue: 5
Article number: 053405
DOI: 10.1103/PhysRevA.101.053405
OADOI: https://oadoi.org/10.1103/PhysRevA.101.053405
Type of Publication: A1 Journal article – refereed
Field of Science: 114 Physical sciences
Subjects:
Atomic orbital
Electronic excitation & ionization
Photoemission
Relativistic & quantum electrodynamic effects in atoms, molecules,& ions
Article
Funding: This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Grant Agreement No.713606 and from Research Council for Natural Sciences of the Academy of Finland.
EU Grant Number: (713606) I4FUTURE - Novel Imaging and Characterisation Methods in Bio, Medical, and Environmental Research and Technology Innovations
Copyright information: © 2020 American Physical Society.